@article {424, editor = {,}, title = {ABSTRACTS}, volume = {4}, number = {9}, pages = {424--437}, year = {1920}, doi = {10.1136/bjo.4.9.424}, publisher = {BMJ Publishing Group Ltd}, issn = {0007-1161}, URL = {https://bjo.bmj.com/content/4/9/424}, eprint = {https://bjo.bmj.com/content/4/9/424.full.pdf}, journal = {British Journal of Ophthalmology} }